2021664928

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{7451}}^1$

素因数の和:7661

約数の個数: 48

約数和(自身を含む): 4075051680

約数和(自身を除く): 2053386752

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 139, 244, 278, 488, 556, 976, 1112, 1952, 2224, 4448, 7451, 8479, 14902, 16958, 29804, 33916, 59608, 67832, 119216, 135664, 238432, 271328, 454511, 909022, 1035689, 1818044, 2071378, 3636088, 4142756, 7272176, 8285512, 14544352, 16571024, 33142048, 63177029, 126354058, 252708116, 505416232, 1010832464, 2021664928]

約数ペア:

[(1, 2021664928), (2, 1010832464), (4, 505416232), (8, 252708116), (16, 126354058), (32, 63177029), (61, 33142048), (122, 16571024), (139, 14544352), (244, 8285512), (278, 7272176), (488, 4142756), (556, 3636088), (976, 2071378), (1112, 1818044), (1952, 1035689), (2224, 909022), (4448, 454511), (7451, 271328), (8479, 238432), (14902, 135664), (16958, 119216), (29804, 67832), (33916, 59608)]